While training for the upcoming World Championship Junior Cup in Lacunosa Town, after the battle with Pignite and Mamoswine, Ash, Dawn and the others meet a young boy that Jervis knows who lives in the neighborhood in Undella Town named Chris. He apparently lost his Cubchoo just this morning when it disappeared from his family's Pokémon house to the outside. So Cilan, the Master Detective Connoisseur is on the case to solve "The Mystery of the Missing Cubchoo". Will he find the Cubchoo?
Who's that Pokémon?: Joltik (US).
Larvitar's voice changes in this episode, now sounds like Oshawott.
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